public async Task <ActionResult <carts> > Postcart(carts cart)
{
_context.cart.Add(cart);
await _context.SaveChangesAsync();
return(CreatedAtAction("Getcart", new { id = cart.Id }, cart));
}
public async Task <IActionResult> Putcart(int id, carts cart)
{
if (id != cart.Id)
{
return(BadRequest());
}
_context.Entry(cart).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!cartExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
//將資料加入到購物車
public static void AddCart(string pno, string ptype_no, string day_spec, int buyQty)
{
using (dbcon db = new dbcon())
{
//先在購物車搜尋，看有沒有加入過購物車
if (UserAccount.IsLogin)
{
LotNo = "";
}
var datas = db.carts.Where(m => m.lot_no == LotNo)
.Where(m => m.mno == UserAccount.UserNo)
.Where(m => m.pno == pno)
.Where(m => m.ptype_no == ptype_no)
.Where(m => m.ptype_spec == day_spec)
.FirstOrDefault();
//沒有:新增一筆資料，加入商品
int int_price = Shop.GetProductPrice(ptype_no);
int int_amount = (buyQty * int_price);
if (datas == null)
{
carts models = new carts();
models.lot_no = LotNo;
models.mno = UserAccount.UserNo;
models.crete_time = LotCreateTime;
models.pno = pno;
models.pname = Shop.GetProductName(pno);
models.ptype_no = ptype_no;
models.ptype_name = Shop.GetProductTypeName(ptype_no);
models.ptype_spec = day_spec;
models.ptype_qty = buyQty;
models.ptype_price = int_price;
models.amount = int_amount;
db.carts.Add(models);
db.SaveChanges();
}
else//有:將數量加總，總計重新計算
{
datas.ptype_qty += buyQty;
datas.amount = int_amount;
db.SaveChanges();
}
}
}
